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CVE-2026-113611 Details

Description

Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving full document bodies, including Markdown and Yjs data, via DeliverWebhookTask for every matching workspace event.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/outline/outline/security/advisories/GHSA-33jq-x32c-3ccw	CISA-ADP
https://github.com/outline/outline/blob/v1.7.1/server/queues/processors/UserDeletedProcessor.ts	[email protected]
https://github.com/outline/outline/commit/e044014cea958962fc9f5e2b8f6ff1d8cadd676f	[email protected]
https://github.com/outline/outline/releases/tag/v1.8.0	[email protected]
https://github.com/outline/outline/security/advisories/GHSA-33jq-x32c-3ccw	[email protected]
https://www.vulncheck.com/advisories/outline-before-1.8.0-information-disclosure-via-orphaned-webhook-subscriptions	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 23, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	New CVE Received	[email protected]